Normalized the version numbering for ESPHome references.

README.md

@@ -44,7 +44,7 @@ aspect of the lamp and to integrate the lamp in your Home Assistant setup.
 
 For those who have experience with flashing ESPHome onto devices:
 
-* Make sure you are using ESPHome 1.18.0 or newer.
+* Make sure you are using ESPHome v1.18.0 or newer.
 * Copy `[example.yaml](example.yaml)` to `<CONFIG_DIR>/<NODE_NAME>.yaml`.
 * Modify the configuration to your needs (see the [configuration guide](doc/configuration.md)).
 * Compile the `firmware.bin` file and download it to the device to which you have connected your

doc/installation.md

@@ -9,7 +9,7 @@ the [ESPHome website](https://esphome.io).
 
 The component code is distributed directly from GitHub. You will not have to download and install
 the code manually. This leverages the external components feature that was introduced in ESPHome
-version 1.18.0. Therefore, you must use ESPHome version 1.18.0 or later.
+v1.18.0. Therefore, you must use ESPHome v1.18.0 or later.
 
 Before you can compile the firmware, you will have to create the YAML configuration file for your
 device. You can take the [example.yaml](../example.yaml) from this repository as a starting point, and