Admin UI add maintenance menu (#6944)

* add ui for maintenance

* valid config loading. fix workers page.

* refactor

* grpc between admin and workers

* add a long-running bidirectional grpc call between admin and worker
* use the grpc call to heartbeat
* use the grpc call to communicate
* worker can remove the http client
* admin uses http port + 10000 as its default grpc port

* one task one package

* handles connection failures gracefully with exponential backoff

* grpc with insecure tls

* grpc with optional tls

* fix detecting tls

* change time config from nano seconds to seconds

* add tasks with 3 interfaces

* compiles reducing hard coded

* remove a couple of tasks

* remove hard coded references

* reduce hard coded values

* remove hard coded values

* remove hard coded from templ

* refactor maintenance package

* fix import cycle

* simplify

* simplify

* auto register

* auto register factory

* auto register task types

* self register types

* refactor

* simplify

* remove one task

* register ui

* lazy init executor factories

* use registered task types

* DefaultWorkerConfig remove hard coded task types

* remove more hard coded

* implement get maintenance task

* dynamic task configuration

* "System Settings" should only have system level settings

* adjust menu for tasks

* ensure menu not collapsed

* render job configuration well

* use templ for ui of task configuration

* fix ordering

* fix bugs

* saving duration in seconds

* use value and unit for duration

* Delete WORKER_REFACTORING_PLAN.md

* Delete maintenance.json

* Delete custom_worker_example.go

* remove address from workers

* remove old code from ec task

* remove creating collection button

* reconnect with exponential backoff

* worker use security.toml

* start admin server with tls info from security.toml

* fix "weed admin" cli description

weed/admin/view/components/config_sections.templ

@@ -0,0 +1,83 @@
+package components
+
+
+
+// ConfigSectionData represents data for a configuration section
+type ConfigSectionData struct {
+    Title       string
+    Icon        string
+    Description string
+    Fields      []interface{} // Will hold field data structures
+}
+
+// InfoSectionData represents data for an informational section
+type InfoSectionData struct {
+    Title   string
+    Icon    string
+    Type    string // "info", "warning", "success", "danger"
+    Content string
+}
+
+// ConfigSection renders a Bootstrap card for configuration settings
+templ ConfigSection(data ConfigSectionData) {
+    <div class="row">
+        <div class="col-12">
+            <div class="card mb-4">
+                <div class="card-header">
+                    <h5 class="mb-0">
+                        if data.Icon != "" {
+                            <i class={ data.Icon + " me-2" }></i>
+                        }
+                        { data.Title }
+                    </h5>
+                    if data.Description != "" {
+                        <small class="text-muted">{ data.Description }</small>
+                    }
+                </div>
+                <div class="card-body">
+                    for _, field := range data.Fields {
+                        switch v := field.(type) {
+                        case TextFieldData:
+                            @TextField(v)
+                        case NumberFieldData:
+                            @NumberField(v)
+                        case CheckboxFieldData:
+                            @CheckboxField(v)
+                        case SelectFieldData:
+                            @SelectField(v)
+                        case DurationFieldData:
+                            @DurationField(v)
+                        case DurationInputFieldData:
+                            @DurationInputField(v)
+                        }
+                    }
+                </div>
+            </div>
+        </div>
+    </div>
+}
+
+// InfoSection renders a Bootstrap alert section for informational content
+templ InfoSection(data InfoSectionData) {
+    <div class="row">
+        <div class="col-12">
+            <div class="card mb-3">
+                <div class="card-header">
+                    <h5 class="mb-0">
+                        if data.Icon != "" {
+                            <i class={ data.Icon + " me-2" }></i>
+                        }
+                        { data.Title }
+                    </h5>
+                </div>
+                <div class="card-body">
+                    <div class={ "alert alert-" + data.Type } role="alert">
+                        {data.Content}
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+}
+
+