add configs & css for shell components

sway-home/.config/nwg-wrapper/help-sway.css

@@ -0,0 +1,17 @@
+window {
+        background-color: rgba (0, 0, 0, 0.0);
+}
+
+#box-outer {
+    /* Define attributes of the box surrounding icons here */
+    background-color: rgba (255, 255, 255, 0.0)
+}
+
+#box-inner {
+    background-color: rgba (0, 0, 0, 0.4);
+    /*border-radius: 0px;
+	border-style: solid;
+	border-width: 1px;
+	border-color: rgba (204, 204, 204, 0.5);*/
+	padding: 20px
+}

sway-home/.config/nwg-wrapper/help-sway.pango

@@ -0,0 +1,35 @@
+<span face="monospace" foreground="#eeeeee" size="medium">Terminal emulator                  Mod+t
+Web browser                        Mod+w
+Text editor                        Mod+e
+File manager                       Mod+f
+Application launcher   Alt+F1|Ctrl+Space
+Dock show/hide                     Mod+d
+
+Kill task                          Alt+q
+Exit menu                          Mod+x
+Reload sway                  Mod+Shift+C
+
+Switch workspace              Mod+number
+Move to workspace       Mod+Shift+number
+Move focus                     Mod+arrow
+Move container           Mod+Shift+arrow
+Previous workspace          Mod+Alt+left
+Next workspace             Mod+Alt+rigth
+Focus parent                       Mod+p
+
+Toggle split                     Mod+Tab
+Toggle layout                    Alt+Tab
+Toggle floating          Mod+Shift+Space
+Toggle layout                    Alt+Tab
+Fullscreen                   Mod+Shift+F
+Resize container               Alt+arrow
+Start resize mode                  Mod+r
+Return to default mode        Return|Esc
+Change inner gaps         Mod+plus/minus
+Change outer gaps   Mod+Shift+plus/minus
+
+Move to scratchpad           Mod+Shift+Z
+Show scratchpad                    Mod+Z
+
+Show/hide help                     Alt+h
+Move help to front/back      Alt+Shift+H</span>