Create git-replace-repo-content.md

learnings/git-replace-repo-content.md

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+# Replace a Git Repository with a New One
+
+Sometimes you need to reset a remote Git repository while keeping your local history intact. Here's how:
+
+**1. Add the Remote:**
+```bash
+git remote add origin <remote-url>
+```
+
+Links your local repo to the remote.
+
+**2. Force Push to Overwrite Remote History:**
+```bash
+git push --force --set-upstream origin main
+```
+
+Replaces the remote history with your local history.
+
+