Short vim reminder created

Guides/vim.md

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+# Vim
+Jovian cheat sheet for vim
+
+## Bookmark
+`mx` to bookmark with letter _x_
+
+`\`x` to go to _x_
+
+## Case
+`gu` and movement to lowercase
+
+`gU` and movement to uppercase
+
+## Diff
+__vimdiff__ basics
+
+### Configure git
+`git config --global diff.tool vimdiff`
+
+### Make contents identical
+`dp` : diffput throws changement in the other window
+
+`do` : diffget obtains changements from the other window
+
+### Jump between diffs
+`]c` next
+
+`[c` previous
+