feat(user_settings): finish ui, add ability to export and create identities, add tildefriends.css to the /static/ folder

core/tildefriends-v1.css

@@ -0,0 +1,113 @@
+/*
+ * Tilde Friends core stylesheet
+ *
+ * This Software is an external library that is part of
+ * Tilde Friends and is shared under the MIT license.
+ *
+ * Inject this file in your app at tildefriends.css
+ * and use this tag to import it:
+ * <link rel="stylesheet" href="/static/tildefriends-v1.css"/>
+ *
+ * v1.0.0 / 2024 M03 21
+ */
+
+body {
+	color: white;
+	font-family: sans-serif;
+}
+
+button,
+.button,
+input[type=button],
+input[type=submit],
+select {
+	border: none;
+	border-radius: 8px;
+	padding: 8px 12px;
+	text-align: center;
+	text-decoration: none;
+	display: inline-block;
+	margin: 4px;
+
+	&.red {
+		background-color: #bd1e24;
+		color: white;
+	}
+
+	&.green {
+		background-color: #18922d;
+		color: white;
+	}
+
+	&.blue {
+		background-color: #0067a7;
+		color: white;
+	}
+
+	&.yellow {
+		background-color: #ee9600;
+		color: black;
+	}
+
+	&:hover {
+		filter: brightness(0.75);
+	}
+}
+
+a:link {
+	color: #268bd2;
+}
+
+a:visited {
+	color: #6c71c4;
+}
+
+a:hover {
+	color: #859900;
+}
+
+a:active {
+	color: #2aa198;
+}
+
+table {
+	border-collapse: collapse;
+	width: 100%;
+}
+
+td, th {
+	border: 1px solid #ffffff40;
+	text-align: left;
+	padding: 8px;
+}
+
+tr:nth-child(even) {
+	background-color: #ffffff20;
+}
+
+.flex {
+	display: flex;
+}
+
+.flex-column {
+	display: flex;
+	flex-direction: column;
+}
+
+.flex-row {
+	display: flex;
+	flex-direction: row;
+}
+
+.inline-flex-row {
+	display: inline-flex;
+	flex-direction: row;
+}
+
+.box {
+	background-color: #00000020;
+	border: 1px solid grey;
+	border-radius: 8px;
+	padding: 16px;
+	margin: 4px;
+}