Monotonic rewrite (#874)

* Rework timer_queue and monotonic architecture

Goals:
 * make Monotonic purely internal
 * make Monotonic purely tick passed, no fugit involved
 * create a wrapper struct in the user's code via a macro that then
   converts the "now" from the tick based monotonic to a fugit based
   timestamp

We need to proxy the delay functions of the timer queue anyway,
so we could simply perform the conversion in those proxy functions.

* Update cargo.lock

* Update readme of rtic-time

* CI: ESP32: Redact esp_image: Too volatile

* Fixup: Changelog double entry rebase mistake

---------

Co-authored-by: Henrik Tjäder <henrik@tjaders.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/examples/stm32g030f6_periodic_prints/README.md b/examples/stm32g030f6_periodic_prints/README.md
new file mode 100644
index 0000000..e669378
--- /dev/null
+++ b/examples/stm32g030f6_periodic_prints/README.md
@@ -0,0 +1,31 @@
+# `stm32g030f6_periodic_prints`
+
+An RTIC periodic print example intended for the stm32g030f6 chip.
+
+## Dependencies
+
+#### 1. `flip-link`:
+
+```console
+$ cargo install flip-link
+```
+
+#### 2. `probe-rs`:
+
+``` console
+$ # make sure to install v0.2.0 or later
+$ cargo install probe-rs --features cli
+```
+
+
+## Run
+
+The stm32g030f6 chip needs to be connected to the computer via an SWD probe, like a [J-Link EDU Mini].
+
+Then, run:
+
+```
+cargo run --release
+```
+
+[J-Link EDU Mini]: https://www.segger.com/products/debug-probes/j-link/models/j-link-edu-mini/