(maint) update pro-tips.md

 Last week, @psprint deleted all `zinit` related source code. More info can be [found here](https://github.com/zdharma-continuum/I_WANT_TO_HELP) 

- update `zdharma` URLs to `zdharma-continuum`  URLS. 
- apply consistent markdown formatting
- add language hints to code fences

Author: vladdoster

pro-tips.md

@@ -1,68 +1,74 @@
-## Pro-tips
+# Pro-tips
 
-#### One-off fanciness or a specific diff-so-fancy alias
+## One-off fanciness or a specific diff-so-fancy alias
 
 You can do also do a one-off:
+
 ```shell
 git diff --color | diff-so-fancy
 ```
+
 or configure an alias and a corresponding pager to use `diff-so-fancy`:
+
 ```shell
 git config --global alias.dsf "diff --color"
 git config --global pager.dsf "diff-so-fancy | less --tabs=4 -RFXS"
 ```
 
-#### Opting-out
+## Opting-out
 
 Sometimes you will want to bypass diff-so-fancy. Use `--no-pager` for that:
 
 ```shell
 git --no-pager diff
 ```
 
-#### Raw patches
+## Raw patches
 
 As a shortcut for a 'normal' diff to save as a patch for emailing or later
 application, it may be helpful to configure an alias:
+
 ```ini
 [alias]
     patch = !git --no-pager diff --no-color
 ```
+
 which can then be used as `git patch > changes.patch`.
 
 #### Moving around in the diff
 
-You can pre-seed your `less` pager with a search pattern, so you can move
+You can pre-seed your `less` pager with a search pattern so that you can move
 between files with `n`/`N` keys:
+
 ```ini
 [pager]
     diff = diff-so-fancy | less --tabs=4 -RFXS --pattern '^(Date|added|deleted|modified): '
 ```
 
-#### Zsh plugin providing diff-so-fancy
+## Zsh plugin providing diff-so-fancy
 
-Zsh plugin [zdharma/zsh-diff-so-fancy](https://github.com/zdharma/zsh-diff-so-fancy) has this
-project as a submodule so installing the plugin installs `diff-so-fancy`. The plugin provides
-subcommand `git dsf` out of the box. Installation with Zinit, Zplug and Zgen:
+Zsh plugin [zdharma-continuum/zsh-diff-so-fancy](https://github.com/zdharma-continuum/zsh-diff-so-fancy) has this
+project as a submodule, so installing the plugin installs `diff-so-fancy`. The plugin provides
+the subcommand `git dsf` out of the box. Installation with Zinit, Zplug, and Zgen:
 
 ```zsh
 # zinit
 zinit ice lucid as"program" pick"bin/git-dsf"
-zinit load zdharma/zsh-diff-so-fancy
+zinit load zdharma-continuum/zsh-diff-so-fancy
 
-# Or zplug
-zplug "zdharma/zsh-diff-so-fancy", as:command, use:bin/git-dsf
+# zplug
+zplug "zdharma-continuum/zsh-diff-so-fancy", as:command, use:bin/git-dsf
 
-# Or zgen and others
-zgen zdharma/zsh-diff-so-fancy
+# zgen and others
+zgen zdharma-continuum/zsh-diff-so-fancy
 ```
 
-#### `hg` configuration
+## `hg` configuration
 
 You can configure `hg diff` output to use `diff-so-fancy` by adding this alias
 to your `hgrc` file:
 
-```
+```ini
 [alias]
-diff = !HGPLAIN=1 $HG diff --pager=on --config pager.pager=diff-so-fancy $@
+    diff = !HGPLAIN=1 $HG diff --pager=on --config pager.pager=diff-so-fancy $@
 ```