docs: Improved alt-text in Architecture & Metrics in Manual.md

Fixes #4604, improved alt-text in Architecture and Metrics

Author: vedpawar2254

doc/MANUAL.md

@@ -584,25 +584,25 @@ EPSS bridges this gap by incorporating up-to-date threat information from CVE an
 
 - Console
 
-![console table](images/metric/console_table.png)
+![Console output showing a table with columns for CVE Number, Severity, EPSS Score, and Exploitability, listing vulnerabilities found by the CVE Binary Tool. The table includes rows with specific CVE details, their associated severity levels, EPSS scores indicating the likelihood of exploitation, and exploitability status.](images/metric/console_table.png)
 
-![console metric table](images/metric/metric_table.png)
+![Console output showing a table with columns for CVE Number, Severity, EPSS Score, and Exploitability, listing vulnerabilities found by the CVE Binary Tool. The table includes rows with specific CVE details, their associated severity levels, EPSS scores indicating the likelihood of exploitation, and exploitability status.](images/metric/console_table.png)
 
 - HTML
 
-![HTML metric table](images/metric/HTML.png)
+![HTML output showing a table with columns for CVE Number, Severity, EPSS Score, and Exploitability, listing vulnerabilities found by the CVE Binary Tool. The table includes rows with specific CVE details, their associated severity levels, EPSS scores indicating the likelihood of exploitation, and exploitability status.](images/metric/HTML.png)
 
 - PDF
-
-![PDF metric table](images/metric/PDF.png)
+  
+![PDF output showing a table with columns for CVE Number, Severity, EPSS Score, and Exploitability, listing vulnerabilities found by the CVE Binary Tool. The table includes rows with specific CVE details, their associated severity levels, EPSS scores indicating the likelihood of exploitation, and exploitability status.](images/metric/PDF.png)
 
 - CSV
 
-![CSV metric table](images/metric/CSV.png)
+![CSV output showing a table with columns for CVE Number, Severity, EPSS Score, and Exploitability, listing vulnerabilities found by the CVE Binary Tool. The table includes rows with specific CVE details, their associated severity levels, EPSS scores indicating the likelihood of exploitation, and exploitability status.](images/metric/CSV.png)
 
 - JSON
 
-![JSON metric table](images/metric/JSON.png)
+![JSON output showing a table with columns for CVE Number, Severity, EPSS Score, and Exploitability, listing vulnerabilities found by the CVE Binary Tool. The table includes rows with specific CVE details, their associated severity levels, EPSS scores indicating the likelihood of exploitation, and exploitability status.](images/metric/JSON.png)
 
 - JSON2
 
@@ -1163,15 +1163,68 @@ haxx,curl,7.34.0,CVE-2014-0139,MEDIUM,Unexplored,
 
 4. `--format html` - creates a report in html format according to the specified HTML theme.
 
-![image](images/html_preview.png)
+<figure>
+  <img src="images/html_preview.png"
+    alt="cve-bin-tool: Report Generated: 2022-07-27
+    CVE Summary:
+    Severity, Count
+    CRITICAL, 12
+    HIGH, 18
+    MEDIUM, 15
+    LOW, 4
+    CVE Remarks:
+    Remark, Count
+    NEW, 26
+    CONFIRMED, 3
+    MITIGATED, 4
+    UNEXPLORED, 16
+    IGNORED, 0
+    Scanned Files:
+    Vulnerable Files: 6
+    No Known Vulnerabilities: 0
+    Product CVEs:
+    Product, Version, CVE Count
+    haxx-curl, 7.59.0, 25
+    haxx-libcurl, 7.59.0, 10
+    mit-kerberos, 5-1.15.1, 8
+    libjpeg-turbo, 2.0.1, 2
+    ssh-ssh2, 2.0, 1"
+    style="width:100%;white-space:pre;">
+  <figcaption>formated HTML report</figcaption>
+</figure>
 
 The unexplored and new CVEs will be highlighted, it will look something like this:
 
-![image](images/html_highlight.png)
+<figure>
+  <img src="images/html_highlight.png"
+    alt="cve-bin-tool: Report 
+    Vendor, Product, Version, CVE count, 
+    libjpeg-turbo, libjpeg-turbo, 2.0.1, 4,
+    haxx, curl, 7.59.0, 26,
+    haxx, libcurl, 7.59.0, 10,
+    mit, kerberos_5, 5-1.15.1, 2,
+    mit, kerberos, 1.15.1, 3,
+    sun, sunos, 5.4, 127,
+    ssh, ssh2, 2.0, 4"
+    style="width:100%;white-space:pre;">
+  <figcaption>formated HTML report</figcaption>
+</figure>
 
 You can also filter scanned products by remark:
 
-![image](images/html_filter.png)
+<figure>
+  <img src="images/html_highlight.png"
+    alt="cve-bin-tool: filtered report
+    all,new,confirmed,mitigated,unexplored,ignored
+    filtered by remark: unexplored
+    Vendor, Product, Version, CVE count, 
+    libjpeg-turbo, libjpeg-turbo, 2.0.1, 4,
+    haxx, libcurl, 7.59.0, 10,
+    mit, kerberos, 1.15.1, 3,
+    "
+    style="width:100%;white-space:pre;">
+  <figcaption>formated HTML report</figcaption>
+</figure>
 
 5. `--format pdf` - creates a report in PDF format.