Added method to add a new namespace

src/components/namespaces/NewNamespace.vue

@@ -0,0 +1,73 @@
+<template>
+	<div class="content">
+		<h3>Create a new namespace</h3>
+		<form @submit.prevent="newNamespace">
+			<div class="field is-grouped">
+				<p class="control has-icons-left is-expanded" v-bind:class="{ 'is-loading': loading}">
+					<input class="input" v-bind:class="{ 'disabled': loading}" v-model="namespace.name" type="text" placeholder="The namespace's name goes here...">
+					<span class="icon is-small is-left">
+										<icon icon="layer-group"/>
+					</span>
+				</p>
+				<p class="control">
+					<button type="submit" class="button is-success">
+						<span class="icon is-small">
+							<icon icon="plus"/>
+						</span>
+						Add
+					</button>
+				</p>
+			</div>
+		</form>
+	</div>
+</template>
+
+<script>
+    import auth from '../../auth'
+    import router from '../../router'
+    import {HTTP} from '../../http-common'
+    import message from '../../message'
+
+    export default {
+        name: "NewNamespace",
+        data() {
+            return {
+                namespace: {title: ''},
+                error: '',
+                loading: false
+            }
+        },
+        beforeMount() {
+            // Check if the user is already logged in, if so, redirect him to the homepage
+            if (!auth.user.authenticated) {
+                router.push({name: 'home'})
+            }
+        },
+        methods: {
+            newNamespace() {
+                this.loading = true
+
+                HTTP.put(`namespaces`, this.namespace, {headers: {'Authorization': 'Bearer ' + localStorage.getItem('token')}})
+                    .then(() => {
+                        this.$parent.loadNamespaces()
+                        this.handleSuccess({message: 'The namespace was successfully created.'})
+                    })
+                    .catch(e => {
+                        this.handleError(e)
+                    })
+            },
+            handleError(e) {
+                this.loading = false
+                message.error(e, this)
+            },
+            handleSuccess(e) {
+                this.loading = false
+                message.success(e, this)
+            }
+        }
+    }
+</script>
+
+<style scoped>
+
+</style>