Integrate GitVersion and add version provider abstraction

- Added GitVersion for semantic versioning and build metadata
- Introduced IVersionProvider and VersionProvider for UI-friendly version display
- MainForm now uses IVersionProvider for version label
- Registered VersionProvider in DI container
- Improved logging: filtered out AutoMapper license logs
- General code cleanup in Program.cs

.gitversion.yml

@@ -0,0 +1,23 @@
+mode: ContinuousDelivery
+branches:
+  main:
+    tag: ''
+    increment: Patch
+    prevent-increment-of-merged-branch-version: true
+    track-merge-target: false
+  develop:
+    tag: alpha
+    increment: Minor
+    prevent-increment-of-merged-branch-version: false
+  feature:
+    tag: beta
+    increment: Patch
+  hotfix:
+    tag: hotfix
+    increment: Patch
+  release:
+    tag: rc
+    increment: Patch
+ignore:
+  sha: []
+commit-message-incrementing: Disabled