docs: remove odds

Applications/Essential/fzf.md

@@ -1,31 +0,0 @@
-# [fzf](https://github.com/junegunn/fzf)
-
-Should install using git.
-
-Add to `~/.bashrc`, `~/.zshrc`:
-
-```sh
-# Use fd instead of find
-# In some distributions, use fdfind instead of fd
-export FZF_DEFAULT_COMMAND='fd --hidden --exclude .git'
-export FZF_CTRL_T_COMMAND="$FZF_DEFAULT_COMMAND"
-
-# Colorscheme
-export FZF_DEFAULT_OPTS='--color dark'
-export FZF_DEFAULT_OPTS='--color light'
-```
-
-| Shorcut  | Explain                              |
-| -------- | ------------------------------------ |
-| `CTRL-T` | search through files and directories |
-| `CTRL-R` | search though command-line history   |
-
-Add to `~/.vimrc`, `~/.config/nvim/init.vim`:
-
-```vim
-set rtp+=~/.fzf
-```
-
-| Command | Explain                                                      |
-| ------- | ------------------------------------------------------------ |
-| `:FZF`  | search through files and directories under current directory |

Applications/Essential/rsync.md

@@ -1,18 +0,0 @@
-# rsync
-
-| Distribution | Package |
-| ------------ | ------- |
-| Arch Linux   | `rsync` |
-| Ubuntu       | `rsync` |
-
-```sh
-rsync -vah src dest
-```
-
-`--delete`: Delete files exist in dest but not exist in src.
-
-`--ignore-existing`: Ignore updating existing files in dest.
-
-`--exclude-from=FILE`: Exclude pattern files in FILE.
-
-`-n`: Trial run.

Applications/Misc/bat.md

@@ -1,26 +0,0 @@
-# [bat](https://github.com/sharkdp/bat)
-
-| Distribution | Package |
-| ------------ | ------- |
-| Arch Linux   | `bat`   |
-| Ubuntu       | `bat`   |
-
-List themes:
-
-```sh
-bat --list-themes
-```
-
-Edit config file at `~/.config/bat/config`:
-
-```txt
---theme="YourFavoriteTheme"
-
---style="plain"
-```
-
-See more config option:
-
-```sh
-bat --help
-```