Add V2 parition tables (#1137)

* v1.9.0: update font icons, add mqtt reconnect

* Add v2 parition tables

partitions/v2/16m.csv

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+# ESP-IDF Partition Table
+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     0x9000,    0x4000,
+otadata,  data, ota,     0xd000,    0x2000,
+phy_init, data, phy,     0xf000,    0x1000,
+model,    data, spiffs,  0x10000,   0xF0000,
+ota_0,    app,  ota_0,   0x100000,  4M,
+ota_1,    app,  ota_1,   0x500000,  4M,
+assets,   data, spiffs,  0x900000,  7M

partitions/v2/16m_c3.csv

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+# ESP-IDF Partition Table
+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     0x9000,    0x4000,
+otadata,  data, ota,     0xd000,    0x2000,
+phy_init, data, phy,     0xf000,    0x1000,
+model,    data, spiffs,  0x10000,   0xF0000,
+ota_0,    app,  ota_0,   0x100000,  4M,
+ota_1,    app,  ota_1,   0x500000,  4M,
+assets,   data, spiffs,  0x900000,  4000K

partitions/v2/32m.csv

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+# ESP-IDF Partition Table
+# Name,   Type, SubType, Offset,  Size, Flags
+nvsfactory, data,   nvs,        ,     200K,
+nvs,        data,   nvs,        ,     840K,
+otadata,    data,   ota,        ,     0x2000,
+phy_init,   data,   phy,        ,     0x1000,
+model,      data,   spiffs,     ,     0xF0000,
+ota_0,      app,    ota_0,      0x200000,     4M,
+ota_1,      app,    ota_1,      0x600000,     4M,
+assets,     data,   spiffs,     0xA00000,     16M

partitions/v2/8m.csv

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+# ESP-IDF Partition Table
+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     0x9000,    0x4000,
+otadata,  data, ota,     0xd000,    0x2000,
+phy_init, data, phy,     0xf000,    0x1000,
+model,    data, spiffs,  0x10000,   0xF0000,
+ota_0,    app,  ota_0,   0x100000,  3M,
+ota_1,    app,  ota_1,   0x400000,  3M,
+assets,   data, spiffs,  0x700000,  1M

partitions/v2/README.md

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+# Version 2 Partition Table
+
+This version introduces significant improvements over v1 by adding an `assets` partition to support network-loadable content.
+
+## Key Changes from v1
+
+### Added Assets Partition
+The v2 partition table includes a new `assets` partition that stores:
+- **Wake word models**: Customizable wake word models that can be loaded from the network
+- **Theme files**: Complete theming system including:
+  - Fonts
+  - Audio effects
+  - Background images
+  - Custom emoji packs
+
+### Partition Layout Comparison
+
+#### v1 Layout (16MB)
+- `nvs`: 16KB (non-volatile storage)
+- `otadata`: 8KB (OTA data)
+- `phy_init`: 4KB (PHY initialization data)
+- `model`: 960KB (model storage)
+- `ota_0`: 6MB (application partition 0)
+- `ota_1`: 6MB (application partition 1)
+
+#### v2 Layout (16MB)
+- `nvs`: 16KB (non-volatile storage)
+- `otadata`: 8KB (OTA data)
+- `phy_init`: 4KB (PHY initialization data)
+- `model`: 960KB (model storage)
+- `ota_0`: 4MB (application partition 0)
+- `ota_1`: 4MB (application partition 1)
+- `assets`: 7MB (network-loadable assets)
+
+### Benefits
+
+1. **Dynamic Content**: Users can download and update wake word models and themes without reflashing
+2. **Reduced App Size**: Application partitions are smaller, allowing more space for assets
+3. **Customization**: Support for custom themes and wake words enhances user experience
+4. **Network Flexibility**: Assets can be updated independently of the main application
+
+### Available Configurations
+
+- `8m.csv`: For 8MB flash devices
+- `16m.csv`: For 16MB flash devices (standard)
+- `16m_c3.csv`: For 16MB flash devices with ESP32-C3 optimization