Switch away from GDB to probe-run (#159)

Author: jamwaffles

.cargo/config

@@ -1,23 +1,5 @@
-[target.thumbv6m-none-eabi]
-runner = 'gdb-multiarch'
-rustflags = [
-  "-C", "link-arg=-Tlink.x",
-]
-
-[target.thumbv7m-none-eabi]
-runner = 'gdb-multiarch'
-rustflags = [
-  "-C", "link-arg=-Tlink.x",
-]
-
-[target.thumbv7em-none-eabi]
-runner = 'gdb-multiarch'
-rustflags = [
-  "-C", "link-arg=-Tlink.x",
-]
-
-[target.thumbv7em-none-eabihf]
-runner = 'gdb-multiarch'
+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+runner = "probe-run --chip STM32F103C8"
 rustflags = [
   "-C", "link-arg=-Tlink.x",
 ]

.gdbinit

@@ -1,4 +1,3 @@
-.gdb_history
 /target/
 **/*.rs.bk
 Cargo.lock

.gitignore

@@ -16,6 +16,9 @@ Please consider [becoming a sponsor](https://github.com/sponsors/jamwaffles/) so
 
 ## [Examples](examples)
 
+This crate uses [`probe-run`](https://crates.io/crates/probe-run) to run the examples. Once set up,
+it should be as simple as `cargo run --example <example name> --release`.
+
 From [`examples/image_i2c.rs`](examples/image_i2c.rs):
 
 ```rust