feat(computes): the Computes list on Bootstrap's cards, badges, bars and menus

- Totals above the list: hosts connected of all, VMs running of all,
  vCPUs given on the CPUs, memory given of the memory of the hosts the
  panel reads, as cards; the connected count is red while a host is
  not.
- A host's name links its overview; its state is a Connected or Not
  connected badge (the dot goes), beside a badge of how the panel
  reaches it (TCP, SSH, TLS, Socket); its address in monospace.
- A VMs column: the host's VMs, linked to its Instances, and how many
  run.
- The vCPUs have a bar like the memory's: running VMs' and shut-off
  VMs' vCPUs against the CPUs, amber over 2:1 and red over 4:1 as the
  ratio is; the overview's vCPU card shares it.
- The three coloured buttons of each row are one menu: Overview, Edit
  connection and Remove from panel (its popper fixed, as the table's
  scrolling box would cut it off).
- The four green add buttons are one "Add host" menu that says what
  each kind of connection is.
- The table is table-hover; a host the panel cannot reach has a
  table-warning row.

static/icon_cache/hdd-rack_None_None_None.svg

@@ -0,0 +1,11 @@
+<?xml version="1.0" ?>
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-hdd-rack" viewBox="0 0 16 16">
+	
+  
+	<path d="M4.5 5a.5.5 0 1 0 0-1 .5.5 0 0 0 0 1M3 4.5a.5.5 0 1 1-1 0 .5.5 0 0 1 1 0m2 7a.5.5 0 1 1-1 0 .5.5 0 0 1 1 0m-2.5.5a.5.5 0 1 0 0-1 .5.5 0 0 0 0 1"/>
+	
+  
+	<path d="M2 2a2 2 0 0 0-2 2v1a2 2 0 0 0 2 2h1v2H2a2 2 0 0 0-2 2v1a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-1a2 2 0 0 0-2-2h-1V7h1a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2zm13 2v1a1 1 0 0 1-1 1H2a1 1 0 0 1-1-1V4a1 1 0 0 1 1-1h12a1 1 0 0 1 1 1m0 7v1a1 1 0 0 1-1 1H2a1 1 0 0 1-1-1v-1a1 1 0 0 1 1-1h12a1 1 0 0 1 1 1m-3-4v2H4V7z"/>
+	
+
+</svg>

static/icon_cache/plus-lg_None_None_None.svg

@@ -0,0 +1,8 @@
+<?xml version="1.0" ?>
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-plus-lg" viewBox="0 0 16 16">
+	
+  
+	<path fill-rule="evenodd" d="M8 2a.5.5 0 0 1 .5.5v5h5a.5.5 0 0 1 0 1h-5v5a.5.5 0 0 1-1 0v-5h-5a.5.5 0 0 1 0-1h5v-5A.5.5 0 0 1 8 2"/>
+	
+
+</svg>

static/icon_cache/three-dots_None_None_None.svg

@@ -0,0 +1,8 @@
+<?xml version="1.0" ?>
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-three-dots" viewBox="0 0 16 16">
+	
+  
+	<path d="M3 9.5a1.5 1.5 0 1 1 0-3 1.5 1.5 0 0 1 0 3m5 0a1.5 1.5 0 1 1 0-3 1.5 1.5 0 0 1 0 3m5 0a1.5 1.5 0 1 1 0-3 1.5 1.5 0 0 1 0 3"/>
+	
+
+</svg>