documentation update (#221)

Updated said files:
mqtt.mdx
- inclusion of downloading the mqtt ipkg
deduplication.mdx
lookback.mdx
- updated smdk generation output
- fixed topic name syntax

docs/hub/connectors/inbound/mqtt.mdx

@@ -75,7 +75,8 @@ mqtt:
 Run connector locally using `cdk` tool (from root directory or any sub-directory):
 
 ```bash
-cdk deploy start --config sample-config.yaml
+cdk hub download infinyon/mqtt-source@x.y.z
+cdk deploy start --config sample-config.yaml --ipkg infinyon/mqtt-source@x.y.z
 
 cdk deploy list # to see the status
 cdk deploy log my-mqtt-connector # to see connector's logs

docs/smartmodules/features/deduplication.mdx

@@ -31,7 +31,7 @@ deduplication:
     age: 5s # remember records for at least 5 seconds
   filter:
     transform:
-      uses: infinyon-labs/dedup-filter@0.0.2
+      uses: infinyon-labs/dedup-filter@x.y.z
 ```
 A topic can be created using this config file like so:
 

docs/smartmodules/features/lookback.mdx

@@ -87,18 +87,17 @@ First, let's generate a new SmartModule using SMDK tool:
 
 ```bash copy="fl"
 $ smdk generate
-Using hub https://hub-dev.infinyon.cloud
 🤷   Project Name: filter-with-lookback
-✔ 🤷   Will your SmartModule be public? · false
+🤷   Please set a group name: local
 ✔ 🤷   Which type of SmartModule would you like? · filter
 ✔ 🤷   Will your SmartModule use init parameters? · false
+✔ 🤷   Will your SmartModule be public? · false
 [1/7]   Done: .gitignore
 [2/7]   Done: Cargo.toml
 [3/7]   Done: README.md
-[4/7]   Done: SmartModule.toml
-[5/7]   Done: rust-toolchain.toml
-[6/7]   Done: src/lib.rs
-[7/7]   Done: src
+[4/7]   Done: SmartModule.toml                                                                    
+[5/7]   Done: rust-toolchain.toml                                                                 [6/7]   Done: src/lib.rs                     
+[7/7]   Done: src  
 ```
 Then, put the code snippet from above into `src/lib.rs` file.
 
@@ -110,11 +109,16 @@ $ smdk build
 $ smdk load
 ```
 
+Create a topic
+```bash copy="fl"
+$ smdk test-topic
+```
+
 Let's produce 3 records into our topic:
 
 
 ```bash copy="fl"
-$ fluvio produce test_topic
+$ fluvio produce test-topic
 > 1
 Ok!
 > 2
@@ -127,7 +131,7 @@ In another terminal, run Fluvio Consumer with `transforms.yaml` file from the ex
 
 
 ```bash copy="fl"
-$ fluvio consume test_topic  --transforms-file transforms.yaml
+$ fluvio consume test-topic  --transforms-file transforms.yaml
 ```
 
 If you insert another record in Producer, Consumer will only output it only if it's greater than 3 (last record value when Consumer started).