Implement framework for custom modules and out of the box custom modules as well. (#213)

* Create declarative module scaffolding

* Added ram module (WIP)

* Updates to options, styling and more.

* Added function for styling custom modules.

* Added utility functions and cleaned up code

* Type and fn name updates.

* Update module utils to handle absent values.

* Added icon color in style2 that was missing.

* Linted utils.ts

* Add CPU module and update RAM module to use /proc/meminfo.

* Added disk storage module.

* Consolidate code

* Added netstat module and removed elements from systray default ignore list.

* Added keyboard layout module.

* Fix hook types and move module to customModules directory

* Added updates modules.

* Spacing updates

* Added weather module.

* Added power menu and power module in bar. Increased update default interval to 6 ours.

* Updated styling of bar buttons, made power menu label toggleable, etc.

* Consolidate code and add dynamic tooltips based on data being used.

* Make default custom mogules matugen compatible

* Update base theme

* Fix custom module background coloring

* Remove testing opacity.

* Update themes to account for new modules

* Update nix stuff for libgtop (Need someone to test this)

* Update nix

* Update fractions to multiplications

* Move styling in style directory

* Implement a polling framework for variables that can dynamically adjust polling intervals.

* Netstat module updates when interface name is changed.

* Readme update

lib/types/bar.d.ts

@@ -1,4 +1,8 @@
-import { Variable } from "types/variable";
+import { Binding, Connectable } from "types/service"
+import { Variable } from "types/variable"
+import Box from "types/widgets/box";
+import Label from "types/widgets/label";
+import { Widget as WidgetType } from "types/widgets/widget"
 
 export type Child = {
     component: Box<Gtk.Widget, unknown>;
@@ -7,3 +11,33 @@ export type Child = {
     boxClass: string;
     props: ButtonProps;
 };
+
+export type BoxHook = (self: Box<Gtk.Widget, Gtk.Widget>) => void;
+export type LabelHook = (self: Label<Gtk.Widget>) => void;
+
+export type Module = {
+    icon?: string | Binding<string>,
+    textIcon?: string | Binding<string>,
+    label?: string | Binding<string>,
+    labelHook?: LabelHook,
+    boundLabel?: string,
+    tooltipText?: string | Binding<string>,
+    boxClass: string,
+    props?: ButtonProps,
+    showLabel?: boolean,
+    showLabelBinding?: Binding,
+    hook?: BoxHook,
+    connection?: Binding<Connectable>
+}
+
+export type ResourceLabelType = "used/total" | "used" | "percentage" | "free";
+
+export type StorageIcon = "󰋊" | "" | "󱛟" | "" | "" | "";
+
+export type NetstatIcon = "󰖟" | "󰇚" | "󰕒" | "󰛳" | "" | "󰣺" | "󰖩" | "" | "󰈀";
+export type NetstatLabelType = "full" | "in" | "out";
+export type RateUnit = "GiB" | "MiB" | "KiB" | "auto";
+
+export type UpdatesIcon = "󰚰" | "󰇚" | "" | "󱑢" | "󱑣" | "󰏖" | "" | "󰏔" | "󰏗";
+
+export type PowerIcon = "" | "" | "󰍃" | "󰿅" | "󰒲" | "󰤄";