Update git-memo.content.md

Add additional git commands to git-memo.content.md

src/tools/git-memo/git-memo.content.md

@@ -75,3 +75,30 @@ Renaming the local master branch to main
 ```shell
 git branch -m master main
 ```
+
+Checking log graph
+```shell
+git log --graph
+```
+
+Checking log graph (merges only)
+
+```shell
+git log --graph --merges
+```
+
+Tracking down a bad commit using binary search
+
+```shell
+git bisect start
+git bisect good 13c988d4f15e06bcdd0b0af290086a3079cdadb0
+git bisect bad ca82a6dff817ec66f44342007202690a93763949
+```
+
+Pulling new changes into current branch from mainline
+
+```shell
+git checkout [branchh-name]
+git fetch origin [master-branch-name]
+git rebase origin/[master-branch-name]
+```