Add Luci Theme argon and app

- Also added missing depends from source: https://dl.openwrt.ai/packages-24.10/aarch64_cortex-a53/

- Argon theme and app source:
https://github.com/jerrykuku/luci-theme-argon

ipk-source/luci-app-argon-config/root/usr/lib/lua/luci/view/argon-config/other_button.htm

@@ -0,0 +1,7 @@
+<%+cbi/valueheader%>
+	<% if self:cfgvalue(section) ~= false then %>
+		<input class="cbi-button cbi-input-<%=self.inputstyle or "button" %>" style="display: <%= display %>" type="submit"<%= attr("name", cbid) .. attr("id", cbid) .. attr("value", self.inputtitle or self.title)%> />
+	<% else %>
+		-
+	<% end %>
+<%+cbi/valuefooter%>

ipk-source/luci-app-argon-config/root/usr/lib/lua/luci/view/argon-config/other_dvalue.htm

@@ -0,0 +1,8 @@
+<%+cbi/valueheader%>
+<span style="color: red">
+<%
+	local val = self:cfgvalue(section) or self.default or ""
+	write(pcdata(val))
+%>
+</span>
+<%+cbi/valuefooter%>

ipk-source/luci-app-argon-config/root/usr/lib/lua/luci/view/argon-config/other_upload.htm

@@ -0,0 +1,5 @@
+<%+cbi/valueheader%>
+	<label class="cbi-value" style="display:inline-block; width: 130px" for="ulfile"><%:Choose local file:%></label>
+	<input class="cbi-input-file" style="width: 400px" type="file" id="ulfile" name="ulfile" accept="image/png, image/jpeg, image/gif, video/mp4, video/webm"/>
+	<input type="submit" class="btn cbi-button cbi-input-apply" name="upload" value="<%:Upload%>" />
+<%+cbi/valuefooter%>