Improve readme (#28)

* better readme

* Update README.md

.github/workflows/publish-to-snapcraft.yml

@@ -18,7 +18,6 @@ jobs:
         - build-for: 'armhf'
         - build-for: 'i386'
         - build-for: 'riscv64'
-        - bulid-for: 'ppc64el'
 
     runs-on: ubuntu-latest
     outputs:

README.md

@@ -5,13 +5,28 @@
 
 ### Installation
 
-**[Download latest release](https://github.com/lubomirkurcak/tend/releases/latest)** if you are using **Windows**, **macOS** or **Linux**.
+**[Download binaries](https://github.com/lubomirkurcak/tend/releases)** if you are using **Windows**, **macOS** or **Linux**.
+
+You can install `tend` using `snap`:
+
+```sh
+sudo snap install tend
+```
+
+Or using `cargo`:
 
-If you have `cargo` you can install `tend` with it:
 ```sh
 cargo install tend
 ```
 
+Or build from source, make sure you have [Rust](https://www.rust-lang.org/tools/install) installed:
+
+```sh
+git clone https://github.com/lubomirkurcak/tend
+cd tend
+cargo build --release
+```
+
 ### Usage
 
 #### Basic
@@ -34,40 +49,32 @@ List jobs:
 tend list
 ```
 
-```
-+-------+---------+---------+-------------------+------------+---------+
-| Job   | Program | Args    | Working Directory | Restart    | Group   |
-+-------+---------+---------+-------------------+------------+---------+
-| hello | ping    | 8.8.8.8 | C:\repos\tend     | on failure | default |
-+-------+---------+---------+-------------------+------------+---------+
-```
-
 Reconfigure `hello` to always restart on completion (even successful):
 ```sh
 tend create hello ping 8.8.8.8 --restart=always --overwrite
 ```
 
-> [!NOTE]  
-> Based on your platform and configuration you will have access to different programs and shells. Make sure the programs are accessible from your current working directory.
->
-> For example, you could write this on Linux:
-> ```sh
-> tend create time sh -- -c 'echo Time: $(date)'
-> ```
-> to achieve something similar as this on Windows:
-> ```sh
-> tend create time cmd -- /C 'echo Time: %TIME%'
-> ```
+#### Available Programs
+Based on your platform and configuration you will have access to different programs and shells. Make sure the programs are accessible from your current working directory.
+
+For example, you could write this on Linux:
+```sh
+tend create "time" sh -- -c 'echo Time: $(date)'
+```
+to achieve something similar as this on Windows:
+```sh
+tend create "time" cmd -- /C 'echo Time: %TIME%'
+```
 
 #### Groups
 
 Create a job as a part of a group:
 ```sh
-tend create dev-pg --group=dev kubectl port-forward svc/postgres 5432:5432
+tend create "postgres" --group="dev" kubectl port-forward svc/postgres 5432:5432
 ```
 
 Start all jobs from a specific group:
 ```sh
-tend run --group dev
+tend run --group "dev"
 ```