refactor: rename project to DongLoRa

Rebrand from lora-dongle to DongLoRa (portmanteau of dongle + LoRa).
Lowercase donglora in Cargo package name, firmware filenames, and code.
Splash screen shows "DongLoRa" in 9x15 bold.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Cargo.lock

@@ -331,6 +331,37 @@ dependencies = [
  "litrs 1.0.0",
 ]
 
+[[package]]
+name = "donglora"
+version = "0.1.0"
+dependencies = [
+ "cfg-if",
+ "cortex-m-rt",
+ "critical-section",
+ "defmt 0.3.100",
+ "embassy-embedded-hal",
+ "embassy-executor",
+ "embassy-futures",
+ "embassy-nrf",
+ "embassy-sync 0.6.2",
+ "embassy-time",
+ "embassy-usb",
+ "embedded-graphics",
+ "esp-backtrace",
+ "esp-hal",
+ "esp-hal-embassy",
+ "esp-println",
+ "heapless",
+ "lora-phy",
+ "minijinja",
+ "owo-colors",
+ "panic-probe",
+ "postcard",
+ "serde",
+ "ssd1306",
+ "static_cell",
+]
+
 [[package]]
 name = "embassy-embedded-hal"
 version = "0.2.0"
@@ -1048,37 +1079,6 @@ version = "0.4.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
 
-[[package]]
-name = "lora-dongle"
-version = "0.1.0"
-dependencies = [
- "cfg-if",
- "cortex-m-rt",
- "critical-section",
- "defmt 0.3.100",
- "embassy-embedded-hal",
- "embassy-executor",
- "embassy-futures",
- "embassy-nrf",
- "embassy-sync 0.6.2",
- "embassy-time",
- "embassy-usb",
- "embedded-graphics",
- "esp-backtrace",
- "esp-hal",
- "esp-hal-embassy",
- "esp-println",
- "heapless",
- "lora-phy",
- "minijinja",
- "owo-colors",
- "panic-probe",
- "postcard",
- "serde",
- "ssd1306",
- "static_cell",
-]
-
 [[package]]
 name = "lora-modulation"
 version = "0.1.5"