Major config changes

Add alacritty config, as it is my main terminal now
Change **a lot** of nvim configs
Add tmux configuration
Update zsh configs
Add .gitconfig with custom pager
Include tmux-plugin-manager as a submodule

.config/alacritty/alacritty.yml

@@ -0,0 +1,77 @@
+window:
+  dimensions:
+    columns: 140
+    lines: 45
+  padding:
+    x: 2
+    y: 2
+
+  dynamic_padding: true
+
+font:
+  normal:
+    family: "Mononoki Nerd Font"
+  size: 12.5
+
+  offset:
+    x: 1
+    y: 2
+
+  glyph_offset:
+    x: 0
+    y: 0
+
+colors:
+  primary:
+    background: '0x1e2127'
+    foreground: '0xabb2bf'
+    bright_foreground: '0xe6efff'
+
+  normal:
+    black:   '0x1e2127'
+    red:     '0xe06c75'
+    green:   '0x98c379'
+    yellow:  '0xd19a66'
+    blue:    '0x61afef'
+    magenta: '0xc678dd'
+    cyan:    '0x56b6c2'
+    white:   '0x828791'
+
+  bright:
+    black:   '0x5c6370'
+    red:     '0xe06c75'
+    green:   '0x98c379'
+    yellow:  '0xd19a66'
+    blue:    '0x61afef'
+    magenta: '0xc678dd'
+    cyan:    '0x56b6c2'
+    white:   '0xe6efff'
+
+  dim:
+    black:   '0x1e2127'
+    red:     '0xe06c75'
+    green:   '0x98c379'
+    yellow:  '0xd19a66'
+    blue:    '0x61afef'
+    magenta: '0xc678dd'
+    cyan:    '0x56b6c2'
+    white:   '0x828791'
+
+cursor:
+  style:
+    shape: Block
+    blinking: Off
+
+live_config_reload: true
+
+shell:
+  program: wsl
+  args:
+    - sh
+    - -c
+    # - '"cd ${HOME}; exec ${SHELL}"'
+    - '"cd ${HOME}; exec ${SHELL}"'
+
+key_bindings:
+  - { key: 'Slash', mods: 'Control', chars: "\x1f"}
+  - { key: 'Space', mods: 'Control', chars: "\x00"}