Memory optimization & external components

Helps with #1686
- This is deprecating Relay local fallback switches (replaced by globals) to save memory.
- Using reboot timeout from ESPHome instead of custom engine
- Do not change page is already there.
- Use of external components to streamline some repetitive code
- API always transfer colors in RGB array to keep consistency

prebuilt/nspanel_esphome_prebuilt.yaml

@@ -24,7 +24,7 @@ external_components:
 
 packages:
   core_package: !include ../esphome/nspanel_esphome_core.yaml
-  upload_tft_package: !include ../esphome/nspanel_esphome_addon_upload_tft.yaml
+  #upload_tft_package: !include ../esphome/nspanel_esphome_addon_upload_tft.yaml
 
 api:
   services:
@@ -93,18 +93,18 @@ script:
           static const char *const TAG = "prebuilt.script.watchdog";
           ESP_LOGI(TAG, "Pre-built version: ${pre_built}");
 
-select:
-  - id: !extend tft_file_model
-    platform: template
-    options:
-      - "NSPanel Blank"
-      - "NSPanel EU"
-      - "NSPanel US"
-      - "NSPanel US Landscape"
-      - "NSPanel EU (CJK languages)"
-      - "NSPanel US (CJK languages)"
-      - "NSPanel US Landscape (CJK languages)"
-    initial_option: "NSPanel Blank"
+#select:
+#  - id: !extend tft_file_model
+#    platform: template
+#    options:
+#      - "NSPanel Blank"
+#      - "NSPanel EU"
+#      - "NSPanel US"
+#      - "NSPanel US Landscape"
+#      - "NSPanel EU (CJK languages)"
+#      - "NSPanel US (CJK languages)"
+#      - "NSPanel US Landscape (CJK languages)"
+#    initial_option: "NSPanel Blank"
 
 text_sensor:
   - id: firmware_url
@@ -114,11 +114,10 @@ text_sensor:
     internal: true
     icon: mdi:cloud-download
 
-web_server:
-  id: web_server_std
-  auth: !remove
+web_server: !remove
 
 wifi:
+  networks: !remove
   ap: {}
   power_save_mode: LIGHT  # To make it compatible with BLE
 ...